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科目： 來源：不詳 題型：單選題

A good rest between classes ________ recover brain power to its best and make us perform better in class later.
A．mustB．canC．needD．shall

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科目： 來源：不詳 題型：單選題

They       have got lost, or had an accident.
A．canB．mightC．mustD．mustn’t

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科目： 來源：不詳 題型：單選題

—We are worried about Tom. Why hasn’t he come back?
—Don’t worry. He ______ in a traffic jam.
A．might be caughtB．may have been caught
C．can have been caughtD．should have been caught

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科目： 來源：不詳 題型：單選題

I ____ have been there, but I ____ not find the time.
A．could; mustB．must; couldC．should; couldD．should; would

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科目： 來源：不詳 題型：單選題

_____ you pass me the plate on the table?
A．CanB．CouldC．MayD．Must

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科目： 來源：不詳 題型：單選題

He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside．
A．shouldB．mustC．wouldn’tD．can’t

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科目： 來源：不詳 題型：單選題

The manager demanded that the work________ within three days.
A．was finishedB．had been finishedC．be finishedD．finished

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科目： 來源：不詳 題型：單選題

I ________ myself more— it was a perfect day.
A．shouldn’t have enjoyedB．needn’t have enjoyed
C．wouldn’t have enjoyedD．couldn’t have enjoyed

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科目： 來源：不詳 題型：單選題

Children of divorced parents ______ have difficulty in forming stable relationships themselves.
A．willB．shouldC．mayD．could

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科目： 來源：不詳 題型：單選題

I know you have eaten all sorts of junk food your mother and I probably _____ you have.
A．shouldn’t letB．can’t letC．couldn’t have letD．shouldn’t have let

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